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Orthotrichum Pulchellum (Orthotrichaceae), an Addition to The ISSN 2336-3193 Acta Mus. Siles. Sci. Natur., 64: 199-205, 2015 DOI: 10.1515/cszma-2015-0028 Grasshoppers, crickets (Orthoptera) and earwigs (Dermaptera) of Tovačov gravel pit (central Moravia, Czech Republic): New locality for several thermophilous species in anthropogenic secondary habitat Filip Trnka & Stanislav Rada Grasshoppers, crickets (Orthoptera) and earwigs (Dermaptera) of Tovačov gravel pit (central Moravia, Czech Republic): New locality for several thermophilous species in anthropogenic secondary habitat. – Acta Mus. Siles. Sci. Natur., 64: 199-205, 2015. Abstract: Study of Orthoptera and earwigs was conducted in Tovačov gravel pit in 2014. We have recorded 18 species of Orthoptera and 3 species of earwigs. The most significant recorded species are Cepero’s ground-hopper (Tetrix ceperoi), pygmy mole cricket Xya( variegata), Italian tree cricket (Oecanthus pellucens) and riparian earwig (Labidura riparia). Tovačov gravel pit poses the northern- most locality of T. ceperoi and X. variegata in the Czech Republic and the northernmost known locality in Moravia for O. pellucens. For the L. riparia, we present a founding from Tovačov together with another finding from Olomouc vicinity, which is currently the northernmost locality within Moravia. Our findings display recent spatial expansion of some thermophilous species. Moreover, we emphasize importance of (post)-industrial areas as secondary habitats for specialised endangered species. Keywords: faunistics, Tetrix ceperoi, spatial expansion, secondary habitats/post-industrial habitats Introduction Tovačov gravel pit is situated in central Moravia between the towns Tovačov and Troubky in the river basin of the Morava River. Its area exceeds 500 ha and it lies from 191 to 210 m above sea level. This gravel pit is found in the lower part of the Hornomoravský úval basin. The geological base of this locality is formed by Neogen and Quaternary sediments covered by alluvial soils. This area is characterized by large wetland habitats including mainly artificial lakes created by gravel mining. The mining have begun there in the fifties ofth 20 century and since then, ourf lakes were made. Some smaller parts of the gravel pit were technically recultivated but the rest was left to natural succession. Majority of the most valuable invertebrate species can be found at smaller parts of alluvial biotopes without vegetation on which we focused primarily. Furthermore, one part of this gravel pit was declared as Site of Community Importance named “Morava– Chropyňský luh” (SCI CZ 0714085). Fig 1: Map of the study area. 199 Material and methods Our survey was conducted from April to September 2014 and it was aimed at exploring the local invertebrate fauna. Groups of Orthoptera and Dermaptera were collected using standard methods (mainly individual collecting, sweeping and beating). Additionally, several pitfall traps filled with salty solution and vinegar were placed in interesting biotopes. Species names are presented accordingKočárek et al. (2013) for Orthoptera and Kočárek et al. (2005) for earwigs. All specimens lgt. and det. by F. Trnka, (unless otherwise stated). Results In total, 18 species of Orthoptera and 3 species of Dermaptera were recorded during the survey. Majority of them can be regarded as common and widespread species. Three species belonging to the Red List of Invertebrates of the Czech Republic (Holuša & Kočárek 2005, Kočárek & Holuša 2005) were found: vulnerable (VU) pygmy mole cricket (Xya variegata), near threatened (NT) Cepero’s ground-hopper (Tetrix ceperoi) and endangered (EN) riparian earwig (Labidura riparia). List of found species ORTHOPTERA Chorthippus biguttulus (Linnaeus, 1758) - 30.V.2014, 1 ex.; 24.VII.2014, 3 ex.; 31.VII.2014, 3 ex. Chorthippus dorsatus (Zetterstedt, 1821) - 24.VII.2014, 5 ex. det. S. Rada Chrysochraon dispar (Germar, 1834) - 24.VII.2014, 4 ex. Oedipoda caerulescens (Linnaeus, 1758) - 1. VII.2014, 1 ex. Oecanthus pellucens (Scopoli, 1763) - 30. VIII.2014, 1 ex. Gryllotalpa gryllotalpa (Linnaeus, 1758) 30.V.2014, 1 ex. O. Machač observ. Myrmecophilus acervorum (Panzer, 1799) - 30.V.2014, 1 ex., under bark in the nest of ants Lasius sp. Tetrix ceperoi (Bolivar, 1887) - (2M, 2F) - 30.V.2014, Tovačov, gravel pit Donbas, pitfall trap located in the gravel substrate near the water; GPS: 49°24'49.50"N, 17°18'42.06"E, all det. et coll. S. Rada, P. Kočárek revid.; (1M, 1F) 1.VII.2014, same locality and trap; (1M, 1F) 22.VIII.14, same locality and trap all det. et coll. S. Rada Tetrix subulata (Linnaeus, 1758) - (1M, 1F) 30.V.2014, pitfall trap; (1F) 24.VII.2014, all det. et coll. S. Rada Tetrix tenuicornis (Sahlberg, 1891) - 30.V.2014, 2 ex.; 1.VII.2014; 31.VII.2014, 2 ex. det. et coll. S. Rada Tetrix undulata (Sowerby, 1806) - 30.V.2014, 4 ex.; 31.VII.2014, 3 ex.; 22.VIII.2014 all det. S. Rada Conocephalus fuscus (Fabricius, 1793) – 24.IX.2014, 5 ex. Leptophyes albovittata (Kollar, 1833) - 24.VII.2014, 1 ex. Meconema thalassinum (DeGeer, 1773) - 24.VII.2014, 1 ex. Metrioptera roeselii (Hagenbach, 1822) - 24.VII.2014, 3 ex. Phaneroptera falcata (Poda, 1761) - 24.VII.2014, 2 ex. Tettigonia viridissima Linnaeus, 1758 - 24.VII.2014, 1 ex. Xya variegata Latreille, 1809 - 1.VII.2014, 25 ex., GPS: 49°24'49.452"N, 17°18'42.538"E,4 ex S. Rada coll; 24.VII.2014, 20 ex., 1 ex. S. Rada coll., GPS: 49°24'26.088"N, 17°18'0.203"E DERMAPTERA Apterygida media (Hagenbach, 1822) - 24.VII.2014, 1 ex. det. et coll. S. Rada Forficula auricularia Linnaeus, 1758 - 30.V.2014, 1 ex. Labidura riparia (Pallas, 1773) - 30.V.2014, 1 ex., pitfall trap, S. Rada coll.; 31.VII.2014, 1 ex., pitfall trap, S. Rada coll.; 22.VIII.2014, 1 ex. at the bank under the piece of dead wood Comments to notable species Tetrix ceperoi Areal of this species covers majority of Europe – from the Mediterranean to the coasts of Northern and Baltic sea (Kočárek et al. 2013). However, it is very scarce and rare species in Central Europe (Gröning et al. 2007, Kočárek et al. 2013). It occupies moist patches with bare sandy substrate and warm microclimate (Gröning et al. 2007). In Bohemia, it was found once 200 near Třeboň (Mařan 1960), but the occurrence of the species was not confirmed later. It is known from several localities in southern Moravia (Holuša & Holuša 2003, Holušaet a l. 2013, P. Marhoul unpubl.). Here, we present new locality of T. ceperoi, which is rather distant from other localities and at the same time, it is the northernmost locality of the species in the Czech Republic. Fig 2: Distribution map of Tetrix ceperoi in the Czech Republic (published records and our new record) Fig 3: Tetrix ceperoi (Bolivar, 1887) 201 Xya variegata Specialised species, which occurs in riverine floodplains (primary habitat) or in secondary habitats, such as flooded sand pits. It lives on bare, fine sediment with sufficient moisture (Münsch et al. 2013). This pontomediterranean species reaches in Moravia northern edge of its distribution (Holuša & Vlk 2003). In the Czech Republic, it is found almost exclusively on secondary anthropogenic habitats, with the only exception of occurrence on sand gravel banks of Dyje river in Křídlůvky (Holuša 2014). Until recently, the species was known only from southern Moravia (Holuša & Vlk 2003). We confirmed lately reported (Holuša 2014) occurence of the species in Tovačov. The population is numerous and seems to thrive here. The species is recently expanding within Moravia, which is apparent not only from the finding of a locality in central Moravia (Tovačov), but also from gain of many new localities in southern Moravia within last 10–15 years (Holuša & Vlk 2003, Holuša 2014, R. Vlk pers. comm.). Fig 4: Xya variegata Latreille, 1809 Oecanthus pellucens This palearctic species (occurring in southern, western and central parts of Europe) lives on shrubs, trees or high herbs and prefers thermophilic localities (Holuša et al. 2012, Kočárek et al. 2013). In the Czech Republic, it is common in warm lowlands of southern Moravia and central and north-western Bohemia (Holuša et al. 2012, Kočárek et al. 2013). During last years, there is evident spatial expansion of the species in both Moravia and Bohemia (Holuša et al. 2012, P. Marhoul pers. comm.). In 2010, one male was observed by pitsand near- Ondratice, between Vyškov and Prostějov (M. Kincl unpublished). Our record in Tovačov poses northernmost observation of O. pellucens in Moravia and confirms ongoing spreading of the species. 202 Fig 5: Oecanthus pellucens (Scopoli, 1763) Fig 6: Labidura riparia (Pallas, 1773) 203 Labidura riparia Earwig species considered as endangered in the Czech Republic (Kočárek & Holuša 2005). It prefers warm localities with sandy soils, which can be found in natural habitats such as riverbanks, or in anthropogenic localities in sand and gravel pits (Holuša & Farkač 2010). In the CR, it was known only from central Bohemia and southern Moravia (Holuša & Vlk 2003, Holuša & Farkač 2010). Our discovery of the species in the Tovačov gravel-pit represents first published record from central Moravia. Another localityL. ofriparia in central Moravia was found by J. Kašák near Olomouc on a sparsely vegetated fly-ash deposit (Olomouc-Nemilany, 49.5513292°N, 17.2690672°E; 1.5.2013, 1 ex. lgt.; 26.5.2013 8 ex. observ., 2 ex. lgt; all lgt., det. et coll. J. Kašák). Both localities in central Moravia were discovered recently, which suggest spreading of the species to the north. Discussion Total of 18 Orthoptera species and 3 Dermaptera species were recorded. Our survey of the locality was not systematic, therefore it is possible that presented orthopteran community is not complete. On the other hand, we have recorded several rare or new species for region of central Moravia. Also, some relatively widespread, but not often found species has been recorded, such asGryllotalpa gryllotalpa, Myrmecophilus acervorum and Meconema thalassinum.
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